Worldwide Open Proficiency Test: Determination of ... - Nucleus - IAEA

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Lab code Draft, page 174 Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True. P Prec. 240 4.1 0.4 9.76 -10.87 0.5 1.1 A 10.0 A A 241 4 0.3 7.50 -13.04 0.6 0.8 A 7.8 A A 242 4.42 0.09 2.04 -3.91 0.2 0.3 A 3.0 A A 243 4.501 0.2529 5.62 -2.15 0.1 0.7 A 6.0 A A 244 4.43 0.164 3.70 -3.70 0.2 0.5 A 4.3 A A 245 4.05 0.08 1.98 -11.96 0.6 0.3 N 2.9 A N 246 4.28 0.28 6.54 -6.96 0.3 0.8 A 6.9 A A 249 4.22 0.14 3.32 -8.26 0.4 0.4 A 4.0 A A 250 3.98 0.17 4.27 -13.48 0.6 0.5 N 4.8 A N 251 4.61 0.32 6.94 0.22 0.0 0.9 A 7.3 A A 252 4.5 0.2 4.44 -2.17 0.1 0.6 A 4.9 A A 253 4.3 0.2 4.65 -6.52 0.3 0.6 A 5.1 A A 254 4.12 0.15 3.64 -10.43 0.5 0.5 N 4.2 A N 255 4.76 0.16 3.36 3.48 0.2 0.5 A 4.0 A A 256 4.46 0.46 10.31 -3.04 0.1 1.2 A 10.5 N W 257 4.48 0.3 6.70 -2.61 0.1 0.8 A 7.0 A A 258 4.18 0.22 5.26 -9.13 0.4 0.6 A 5.7 A A 259 3.87 0.05 1.29 -15.87 0.7 0.3 N 2.5 A N 260 4.65 0.28 6.02 1.09 0.1 0.8 A 6.4 A A 261 5 0.4 8.00 8.70 0.4 1.1 A 8.3 A A 263 4.1 0.32 7.80 -10.87 0.5 0.9 A 8.1 A A 264 12.8 0.508 3.97 178.26 8.2 1.3 N 4.5 A N 265 4.61 0.071 1.54 0.22 0.0 0.3 A 2.7 A A 267 3.95 0.282 7.14 -14.13 0.6 0.8 A 7.5 A A 268 4.72 0.3 6.36 2.61 0.1 0.8 A 6.7 A A 269 4.5 0.4 8.89 -2.17 0.1 1.1 A 9.2 A A 270 4.59 0.28 6.10 -0.22 0.0 0.8 A 6.5 A A 271 3.9 0.08 2.05 -15.22 0.7 0.3 N 3.0 A N 272 4.12 0.1 2.43 -10.43 0.5 0.4 N 3.3 A N 273 1.5 0.4 26.67 -67.39 3.1 1.1 N 26.8 N N 274 4.66 0.19 4.08 1.30 0.1 0.6 A 4.6 A A 275 4.58 0.19 4.15 -0.43 0.0 0.6 A 4.7 A A 276 3.9 0.4 10.26 -15.22 0.7 1.1 A 10.5 N N 277 0.099 0.002 2.02 -97.85 4.5 0.3 N 3.0 A N 278 4.25 0.47 11.06 -7.61 0.4 1.2 A 11.3 N W 279 4.07 0.13 3.19 -11.52 0.5 0.4 N 3.9 A N 283 3.74 0.25 6.68 -18.70 0.9 0.7 N 7.0 A N 284 4.28 0.32 7.48 -6.96 0.3 0.9 A 7.8 A A 285 4.12 0.32 7.77 -10.43 0.5 0.9 A 8.1 A A 286 347.67 7.82 2.25 7458.04 343.1 20.2 N 3.1 A N 288 4.6 0.3 6.52 0.00 0.0 0.8 A 6.9 A A 289 4.63 0.18 3.89 0.65 0.0 0.5 A 4.5 A A 290 3.8 0.3 7.89 -17.39 0.8 0.8 A 8.2 A A 292 3.9 0.2 5.13 -15.22 0.7 0.6 N 5.6 A N 293 3.9 0.2 5.13 -15.22 0.7 0.6 N 5.6 A N 294 4.76 0.13 2.73 3.48 0.2 0.4 A 3.5 A A 295 4.32 0.15 3.47 -6.09 0.3 0.5 A 4.1 A A 296 4.5 0.3 6.67 -2.17 0.1 0.8 A 7.0 A A Final Score
Lab code Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True. P Prec. 297 4.3 0.4 9.30 -6.52 0.3 1.1 A 9.6 A A 298 4.31 0.09 2.09 -6.30 0.3 0.3 A 3.0 A A 299 3.58 0.8 22.35 -22.17 1.0 2.1 A 22.5 N N 300 4.51 0.36 7.98 -1.96 0.1 1.0 A 8.3 A A Final Score
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IAEA Analytical Quality in Nuclear
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FOREWORD A reliable determination o
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1. INTRODUCTION A reliable determin
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2.1. Proficiency test objectives 2.
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To confirm the assigned target valu
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program achieving complete sample d
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2.3.4.3. Determination of U-234, U-
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AlphaCounts per channel 2000 1500 1
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3. PERFORMANCE CRITERIA Several rat
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acceptable”, a further check is a
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TABLE 4. SUMMARY EVALUATION OF ALL
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Lab. code Number of reported Scored
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4.2. General recommendations and le
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Difference S2-S4 (%) Difference S2-
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4.4. Recommendations related to the
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[Bq/kg] 70 60 50 40 30 20 10 0 Ra-2
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Figure 22: Part of the Thorium radi
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5. CONCLUSIONS The IAEA-CU-2009-03
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REFERENCES [1] DUEWER, D.L., A Robu
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APPENDIX I: PERFORMANCE EVALUATION
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Lab code Rep. Value Rep. Unc. Unc.
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[Bq/kg] 650 575 500 425 350 275 200
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[Bq/kg] 650 600 550 500 450 400 350
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[ B q /k g ] 70 60 50 40 30 20 10 L
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[Bq] 50 45 40 35 30 25 20 15 10 120
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[Bq/kg] 60 50 40 30 20 10 0 25 223
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[ B q /k g ] 60 50 40 30 20 10 0 72
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[Bq/kg] 15 13 11 9 7 5 3 1 74 131 2
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[Bq/kg] 45 41 37 33 29 25 21 17 13
Page 125 and 126: Lab code Rep. Value Rep. Unc. Unc.
Page 139 and 140: [Bq/kg ] 19 17 15 13 11 9 7 5 3 286
Page 153 and 154: [Bq/kg] 19 17 15 13 11 9 7 5 3 1 25
Page 159 and 160: [ B q /k g ] 5.5 5 4.5 4 3.5 3 2.5
Page 165 and 166: [ B q /k g ] 3.5 3.0 2.5 2.0 1.5 1.
Page 171 and 172: [Bq /kg ] 8.5 7.5 6.5 5.5 4.5 3.5 2
Page 175: Lab code Rep. Value Rep. Unc. Unc.
Page 185 and 186: [Bq/kg] 7.5 6.5 5.5 4.5 3.5 2.5 1.5
Page 191 and 192: [B q /k g ] 13 11 9 7 5 3 1 515 26
Page 197 and 198: [Bq /kg ] 11 9 7 5 3 1 219 250 233
Page 211 and 212: [Bq/kg] 13 11 9 7 5 3 1 273 5264 26
Page 225 and 226: APPENDIX II: LIST OF PARTICIPATING
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Dr. Victor Badulin Public Exposure
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Dr. David Lobb Department of Soil S
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Petr Rulik Monitoring Department Na
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Mr. Benoit Daniel Eichrom Europe Ru
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Prof. Dr. Constantin Papastefanou A
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Mr. A.G. Hegde Health Physics Divis
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Mr. Mario Montalto Istituto Di Radi
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Mr. Samer J. Al-Kharouf Radiation P
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Ms. Snezana Dimovska Radioecology R
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Dr. Andrzej Komosa Department of Ra
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Ms. Ana-Maria Apostu Dept. of Life
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Mr. Peter Jovanovic Department of P
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Dr. Catalina Gasco Leonarte Ed. 3a
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Dra. Montserrat Llaurado Departamen
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Mr. Abdullah Dirican Turkish Atomic
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Dr. Paul Smedley Centre For Environ
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Mr. Kevin T. Claver Environmental A
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